Chemistry · May / June 2022 · Paper 11 · Question 39

Poly(ethene) is formed by ......1...... polymerisation of ethene. The formation of nylon and Terylene are examples of ......2...... polymerisation. Proteins contain the same ......3...... linkage as nylon. Fats contain the same ......4...... linkage as Terylene. On hydrolysis, proteins form ......5...... . Which words correctly complete gaps 1–5?

1. A1 addition, 2 condensation, 3 amide, 4 ester, 5 amino acids
2. B1 addition, 2 condensation, 3 amide, 4 ester, 5 simple sugars
3. C1 addition, 2 condensation, 3 ester, 4 amide, 5 amino acids
4. D1 condensation, 2 addition, 3 ester, 4 amide, 5 simple sugars

As printed in the paper